Teen stepsister surprises brother with unexpected deepthroat oral sex

After a long day of studying, the young man returns home to find his stepsister lounging on the couch. He's been harboring a secret desire for her, and she can sense it. She decides to take the lead and offer him a deepthroat blowjob, catching him off guard. She's never done this before, but she's eager to please. She takes his big cock in her mouth, gagging a bit at first but quickly getting the hang of it. She's surprised by the size of his monster cock, but she's determined to handle it. She pulls away, revealing his cum dripping from the corners of her mouth. He's impressed by her skills and can't help but wonder if she'll ever swallow his load one day. The thought excites him, and he's left craving more of his stepsister's unexpected oral talents.